Support bracket for extension ladders



FIG. 1 is a perspective view of a support bracket for extension ladders showing my new design;

FIG. 2 is a front perspective view of the support bracket for extension ladders showing features thereof;

FIG. 3 is a rear perspective view of the support bracket for extension ladders in same position thereof;

FIG. 4 is a left side view of the support bracket for extension ladders thereof;

FIG. 5 is a right side view of the support bracket for extension ladders thereof;

FIG. 6 is a top view of the support bracket for extension ladders thereof; and,

FIG. 7 is a bottom view of the support bracket for extension ladders thereof. 

CLAIM I claim the ornamental design for support bracket for extension ladders, as shown and described. 